package com.tedu._04mybatis.mapper;

import com.tedu._04mybatis.pojo.Comment;
import com.tedu._04mybatis.pojo.CommentVO1;
import com.tedu._04mybatis.pojo.CommentVO2;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CommentMapper {

//    @Insert("INSERT INTO comment(content,created,weibo_id,user_id) VALUES(#{content},#{created},#{weiboId},#{userId})")
    int insert(Comment comment);
//    @Delete("DELETE FROM comment WHERE id= #{id}")
    int delete(Integer id);
//    @Update("UPDATE comment SET content = #{content} WHERE id = #{id}")
    int update(Comment comment);
//    @Select("SELECT id,content,created,weibo_id weiboId,user_id userId FROM comment WHERE id = #{id}")
    CommentVO1 selectCommentById1(Integer id);
//    @Select("SELECT id,content,user_id userId FROM comment")
    List<CommentVO2> selectCommentById2();

}
